CN207619145U - A kind of sewage purification processing system - Google Patents
A kind of sewage purification processing system Download PDFInfo
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- CN207619145U CN207619145U CN201721673137.9U CN201721673137U CN207619145U CN 207619145 U CN207619145 U CN 207619145U CN 201721673137 U CN201721673137 U CN 201721673137U CN 207619145 U CN207619145 U CN 207619145U
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Abstract
The utility model discloses a kind of sewage purification processing system, processing system includes：Equipped with the solid-liquid filter for filtering bed, the solid particle in sewage is trapped in filtering bed, and grease, which passes through, filters bed；The dry slag device of waste water, entrance are connected to the water out containing solid waste of solid-liquid filter, by the solid particle dehydration and drying in water containing solid waste；Oil water separator, the grease outlet of its entrance and solid-liquid filter, is water purification and greasy dirt by water-oil separating, and water purification outlet is connected to the backwash mouth of solid-liquid filter, according to the run time or filtration pressure difference of solid-liquid filter, offline backwash in turn is carried out to solid-liquid filter.The processing system of the utility model is simple in structure, floor space is small, process method step is few, it is at low cost, it can be to high content of organics, especially high oligomer carries out de- solid oil removal treatment containing solid process recycled water, is particularly suitable for the de- solid oil removing integrated purifying processing in emulsifying, high temperature, process recycled water with escaping gas.
Description
Technical field
The utility model is related to the technology of waste water control field in petrochemical industry and coal chemical industry, at espespecially a kind of sewage purification
Reason system.
Background technology
In petrochemical industry and coal chemical industry, recycled in the technological processes such as chilling cooling, process gas purification, UTILIZATION OF VESIDUAL HEAT IN
A large amount of process water, such as the chilled water (chw) and washing water of coal-to-olefin MTO devices, the chilled water (chw) of acrylonitrile installation, butane dehydrogenation, third
The chilled water (chw) etc. of the devices such as alkane dehydrogenation, since this kind of the recycled process water carries the solid particle in isolation of purified process gas, water
The task of soluble substance and organic heavies impurity, therefore, often flow is larger, and temperature is higher, containing solid impurity, greasy dirt and
Poisonous and harmful volatile gas, and be often emulsification system.If not carrying out purified treatment, wherein heavy constituent to process recycled water
Wrapping solid particle can deposit in heat exchanger even pipeline, lead to heat exchanger and line clogging, heat exchange efficiency declines, when serious
The operational load of device can be influenced, or even causes system shutdown.A large amount of manpower object is not only needed after heat exchanger and line clogging
Power carries out cleaning service work, and is run to the steady and continuous of device and generate large effect, therefore process recycled water is net
Change is the problem and bottleneck of such device.
For the purified treatment of this kind of process recycled water, secondary filter technology can reach preferable clean-up effect, still,
Its processing load is small, and cost of investment is high, and since grain diameter is relatively thin in recirculated water and contains oils, filter element holds
It easily blocks, cleaning is frequent, and regeneration effect is poor, and the cycle of operation is shorter, is not suitable for a wide range of promote.Although traditional sand filtration apparatus energy
Enough remove solid particle, but can not be in removing process recirculated water oils, these oils are easy to polymerize at low temperature, still can
Lead to the blocking of heat exchanger and pipeline.The method of cyclonic separation, it is poor for 10 μm of particle separating effects of grain size ＜, therefore,
The treatment effect of de- solid oil removing is bad.The method of sedimentation, occupation area of equipment is big, long processing period.
Therefore, the application is dedicated to a kind of novel sewage purification processing system.
Utility model content
The purpose of this utility model is to provide a kind of sewage purification processing system, and processing system is simple in structure, floor space
Small, cost of investment is low, and operating cost is low, and process method step is few, easy to operate, and low energy consumption, and filter element easily regenerates, and is not easy
It blocks.
The technical scheme that the utility model is provided is as follows：
A kind of sewage purification processing system, including：At least one solid-liquid filter is equipped with filtering in the solid-liquid filter
Bed, the filtering bed are used to detach solid particle and grease in sewage, the cycle water inlet of the solid-liquid filter and
Water out containing solid waste is arranged in the top of the filtering bed, and the grease outlet and backwash mouth setting of the solid-liquid filter exist
The lower section of the filtering bed；At least one oil water separator, the entrance of the oil water separator and the solid-liquid filter
Grease outlet, for being water purification and greasy dirt, the water purification outlet of the oil water separator and the solid-liquid mistake by water-oil separating
The backwash mouth of filter is connected to by a backwashing pump, and the backwashing pump is net for purifying the oil water separator
Water is input to the backwash to the filtering bed progress from top to bottom in solid-liquid filter, and containing for being obtained in backwash process is solid
Waste water is flowed out from the water out containing solid waste of the solid-liquid filter；At least one dry slag device of waste water, the dry slag device of waste water enter
Mouth is connected to the water out containing solid waste of the solid-liquid filter, for the recycling of the solid particle dehydration and drying in solid waste water will to be contained,
The water purification outlet of the dry slag device of waste water is connected to the cycle water inlet of the solid-liquid filter, is used for the dry slag device of the waste water
The water that generates of solid particle dehydration and drying be input in the solid-liquid filter and carry out circular treatment.
Preferably, it is described filtering bed filtrate use sand grains, the sand grains be selected from quartz sand, river sand, sea sand, haydite,
Anthracite, activated carbon, diatomite, manganese sand, iron sand, zeolite；And/or；The particle size range of filtrate in the filtering bed is 0.1
The height of~5mm, nonuniformity coefficient ＜ 1.5, the filtering bed are 0.2~5m；And/or；The grease of the solid-liquid filter
At least one cartridge filter is equipped between outlet and the entrance of the oil water separator, the cartridge filter was used for oil strain
Impurity particle in water.
Preferably, it is equipped in the solid-liquid filter one into water dispenser, it is described to be located at the filter bed into water dispenser
Layer top, and it is described into water dispenser between the filtering bed have one be separated by solid-liquid separation chamber, it is described into water dispenser use
In sewage being evenly distributed into the separation of solid and liquid chamber.
Preferably, it is described into water dispenser include a water inlet plate, the water inlet plate be fixed on described in into water dispenser, institute
It states into multiple inlet openings are uniformly provided on water plate, is equipped at the inlet opening into water distribution pipe, it is described to be located at institute into water distribution pipe
It states and is separated by solid-liquid separation in chamber, described into filter core is equipped in water distribution pipe, which can intercept the filtrate in the filtering bed, can not
Intercept the solid particle in the sewage and back-flushing.
Preferably, it is net that one is equipped between the water purification outlet of the oil water separator and the backwash mouth of the solid-liquid filter
Water buffer tank；And/or；It is useless that one is equipped between the water out containing solid waste of the solid-liquid filter and the entrance of the dry slag device of the waste water
Water buffer tank, the waste water buffer tank are connected to by a waste water pump with the entrance of the dry slag device of the waste water.
Preferably, go out water dispenser equipped with one in the solid-liquid filter, it is described go out water dispenser be located at the filter bed
Layer in and positioned at it is described filtering bed bottom, it is described filtering bed lower section be equipped with a water collection chamber, it is described go out water dispenser use
In make the backwashing water in the water collection chamber uniformly through the filtering bed.
Preferably, it is described go out water dispenser include a water outlet plate, the water outlet plate is fixed in the solid-liquid filter, institute
State water outlet plate and be equipped with uniform multiple apopores, be equipped with out water distribution pipe at the apopore, it is described go out water distribution pipe be located at institute
State filtering bed in, it is described go out water distribution pipe in be equipped with filter core, the filter core can intercept it is described filtering bed in filtrate, can not block
Cut the solid particle in the sewage and back-flushing.
A kind of sewage purification processing system provided by the utility model can bring following at least one advantageous effect：
1, the sewage purification processing system of the utility model passes through the filtering bed filter sewage in solid-liquid filter, sewage
In solid particle be trapped in filtering bed, grease in sewage is drained by filtering bed in oil water separator, oil
Water-oil separating is water purification and greasy dirt by separator, and obtained water purification part is introduced into solid-liquid filter, from top to bottom to mistake
Filter bed layer is backwashed, and the solid particle that backwashing water carries in filtering bed is arranged from the water out containing solid waste of solid-liquid filter
Enter into the dry slag device of waste water, the dry slag device of waste water will contain solid waste water and be separated into solid particle and water purification, solid particle be discharged, and will be net
Water, which is reintroduced in solid-liquid filter, carries out circular treatment, and the processing system of the utility model is simple and compact for structure, takes up an area face
Product is small, and energy consumption is small, and sewage treating efficiency is high.
2, in the utility model, the filtrate for filtering bed uses sand grains, and the raw material of this filtrate are easy to obtain, and price
Cheaply, according to the particle size of particle in sewage, the grain size of gravel in filtering bed and the thickness of bed are matched
Adjustment, to effectively ensure to filter the filtering accuracy of bed.
3, in the utility model, the filtrate for filtering bed uses sand grains, and this filtrate is easy to clean, can carry out efficiently again
Raw, when being backwashed to filtering bed, backwashing water can clean gravel simultaneously, to which its filtering accuracy be effectively ensured,
It can also solve the problems, such as that traditional high-precision filtration element is susceptible to plugging.
4, in the utility model, by being arranged in solid-liquid filter into water dispenser, sewage raw material can be made with close
The state of advection, which is at the uniform velocity assigned to, to be separated by solid-liquid separation in chamber, and further uniformly across filtering bed, setting in this way can be protected effectively
Card sewage is effectively filtered, in addition, when being backwashed to filtering bed, it can be to recoil into the filter core in water dispenser
Filtrate in wash water is filtered interception, and the filtrate in filtering bed is avoided to run damage.
5, in the utility model, by the way that water dispenser is provided in solid-liquid filter, the oil after primary filter can be made
Water arrives the lower section of filtering bed with the state of advection side by side uniformly across filtering bed, and filtering is arranged in going out water dispenser
Core can run with grease to avoid the filtrate in filter bed layer and damage, in addition, when being backwashed to filtering bed, can also lead to
Crossing out water dispenser makes backwashing water uniformly across filtering bed, to effectively improve backwash efficiency.
6, in the utility model, by the way that cartridge filter is arranged when solution filter fails in the upstream of oil water separator
When, the impurity particle content into oil water separator increases, and cartridge filter can effectively remove the granule foreign in grease, from
And avoid the filtration core of oil water separator will not be by particle contamination.
7, the method for cleaning treatment of sewage of the utility model is easy to operate, by carrying out breaking milk and removing oil to sewage, by solid
Particle and grease are effectively separated, and handle grease by oil water separator, the water purification obtained after water-oil separating is to filtering bed
It is backwashed, the water containing solid waste that the dry slag device of waste water obtains backwash is separated by solid-liquid separation, and solid particle discharge, water purification returns
Circular treatment, to realize that the purified treatment of sewage, filter assemblies are not easy to plug, wastewater purification efficiency are carried out to solid-liquid filter
Height, low energy consumption, and operating cost is low.
Description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, to the above-mentioned spy of the utility model
Property, technical characteristic, advantage and its realization method are further described.
Fig. 1 is a kind of structural schematic diagram of specific embodiment of the sewage purification processing system of the utility model；
Fig. 2 is the internal structure schematic diagram of solid-liquid filter in sewage purification processing system shown in Fig. 1.
Drawing reference numeral explanation：
Solid-liquid filter 10, the dry slag device 20 of waste water, oil water separator 30, waste water buffer tank 40, wastewater feed pump 50, security personnel
Filter 60, water purification buffer tank 70, backwashing pump 80；
Water inlet 11 is recycled, into water dispenser 12, chamber 13 is separated by solid-liquid separation, filters bed 14, go out water dispenser 15, water collection chamber
16, backwash mouth 17, grease outlet 18, water out containing solid waste 19.
Specific implementation mode
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, attached drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that the accompanying drawings in the following description is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings, and obtains other embodiments.To make simplified form, only schematically showing in each figure
With the relevant part of the utility model, they do not represent its practical structures as product.
Specific embodiment one
As depicted in figs. 1 and 2, this specific embodiment discloses a kind of sewage purification processing system, including four solid-liquid mistakes
The dry slag device 20 of 10, waste water of filter and two oil water separators 30.Four solid-liquid filters 10 are arranged in parallel, solid-liquid filter
In 10 be equipped with filtering bed 14, solid-liquid filter 10 be equipped with cycle water inlet 11, water out containing solid waste 19, grease export 18 and
Backwash mouth 17, wherein cycle water inlet 11, water out containing solid waste 19 be located at filtering bed 14 top, grease outlet 18 and
Backwash the lower section that mouth 17 is located at filtering bed 14.Two oil water separators 30 are arranged in parallel, the entrance of oil water separator 30 with
Water-oil separating can be water purification and greasy dirt, water-oil separating by 18 connection of grease outlet of solid-liquid filter 10, oil water separator 30
The water purification outlet of device 30 is connected to the backwash mouth 17 of solid-liquid filter 10 by a backwashing pump 80.The dry slag device of waste water 20 enters
Mouth is connected to the water out containing solid waste of solid-liquid filter 10 19, and water purification and solid particle, waste water are separated into for that will contain solid waste water
The water purification outlet of dry slag device 20 is connected to the cycle water inlet 11 of solid-liquid filter 10, for net to being obtained in the dry slag device of waste water
Water carries out circular treatment.
When sewage is by filtering bed 14, the solid particle in sewage is trapped in filtering bed 14, in sewage
Grease 18 is circulated in oil water separator 30 by filtering bed 14, and from grease outlet, and oil water separator 30 is by water-oil separating
For water purification and greasy dirt, greasy dirt is drained, and partially purifying water is used as clean the recycled process water, and partially purifying water passes through backwashing pump 80
It is delivered in solid-liquid filter 10 by the backwash mouth 17 of solid-liquid filter 10 after pressurization, backwashing water is from top to bottom to filtering
Bed 14 is backwashed, and filters in bed 14 solid particle that retains as backwashing water from solid-liquid filter 10 contains solid waste
Water out 19 is drained into the dry slag device of waste water, and the solid particle dehydration and drying in water containing solid waste is drained desiccation by the dry slag device of waste water
The solid-state filter cake obtained afterwards, obtained water are then flowed into solid-liquid filter 10 by cycle water inlet 11 and carry out circular treatment.
In the present embodiment, it is equipped between the water out containing solid waste of solid-liquid filter 10 19 and the entrance of the dry slag device of waste water 20
Waste water buffer tank 40, the water containing solid waste in solid-liquid filter 10 are first stored in waste water buffer tank 40, are pumped using wastewater feed
50 are transported in the dry slag device of waste water 20, and the working efficiency of the dry slag device of waste water 20 can be effectively ensured in setting in this way.Oil water separator
A water purification buffer tank 70 is equipped between 30 water purification outlet and the backwash mouth 17 of solid-liquid filter 10, oil water separator 30 detaches
After water purification that grease obtains first is cached in water purification buffer tank 70, then solid-liquid filter 10 is delivered to by backwashing pump 80
In, backwash effect can be effectively ensured in setting in this way.
In this embodiment, the filtrate of filtering bed 14 uses sand grains, sand grains to be selected from quartz sand, river sand, sea sand, pottery
Grain, anthracite, activated carbon, diatomite, manganese sand, iron sand, zeolite, filter bed 14 in filtrate particle size range be 0.1~
The height of 5mm, nonuniformity coefficient ＜ 1.5, the filtering bed 14 are 0.2~5m, and the rate of filtration is 1~50m/h, needs to illustrate
, the specific grain size of filtrate, nonuniformity coefficient and filter the height of bed 14 can according in sewage particle it is practical big
It is small specifically to be set.The filtrate used in filtering bed 14 is easy to obtain, and raw material cost is low, and is easy to be regenerated.
Specifically, being set between the grease outlet 18 of solid-liquid filter 10 and the entrance of oil water separator 30, there are two ensured public security
Filter 60, two cartridge filters 60 are arranged in parallel, and security personnel's filter core is equipped in cartridge filter 60, and filter core form can be gold
Belong to silk screen filter core, wedge shaped wires filter core, metallic fiber felt filter element, metal powder sintered filter element, cartridge filter 60 can remove just
Granule foreign in the grease obtained after grade filter, protects the grease Coalescence filter core in oil water separator 30 not by particle contamination.
Specifically, oil water separator uses inclined plate or coalescence filtration, realizes water-oil separating after grease coalescence, be used in grease
Difference in specific gravity, greasy dirt float to oil water separator top and drain from greasy dirt outlet, and water purification is drained from water purification outlet.
In this embodiment, it is equipped with one in solid-liquid filter 10 into water dispenser 12, was located at into water dispenser 12
The top of filter bed layer 14, and have one to be separated by solid-liquid separation chamber 13 between water dispenser 12 and filtering bed 14, enter solid-liquid mistake
Sewage or recirculated water in filter 10, which pass through to enter with the speed of advection into water dispenser 12, to be separated by solid-liquid separation in chamber 13, further
Even into filtering bed 14, sewage, which can be effectively ensured, in setting so to be fully filtered by filtering bed 14.
Specifically, including a water inlet plate into water dispenser 12, water inlet plate is fixed on into water dispenser 12, is set on plate of intaking
There are uniform multiple inlet openings, is equipped at inlet opening into water distribution pipe, is located at into water distribution pipe and is separated by solid-liquid separation in chamber 13.In addition, into
Filter core is equipped in water distribution pipe, specifically, filter core here is multi-channel medium, and the aperture of the multi-channel medium is less than filtering
The grain size of filtrate in bed, and more than the grain size of solid particle in recirculated water, to allow filter core to intercept in filtering bed
Filtrate, prevent filtrate run damage, in addition, filter core here can be such that the solid particle in recirculated water passes through.When backwashing water pair
When filtering bed 14 is backwashed, filtrate is in fluidized state under the action of backwashing water, in order to avoid filtrate solid particle
It is backwashed water to take away, can effectively filter the filtrate intercepted in water containing solid waste by the way that filter core is arranged, avoid in filtering bed 14
Filtrate run damage.
In this embodiment, it is additionally provided with one in solid-liquid filter 10 and goes out water dispenser 15, go out water dispenser 15 and be located at
It filters in bed 14 and positioned at the bottom of filtering bed 14, the lower section of filtering bed 14 is equipped with a water collection chamber 16, goes out water dispenser
15 will can be uniformly delivered to the state for approaching advection in water collection chamber 16 by the grease of filtering bed 14, to filtering bed
14 when being recoiled, and going out water dispenser 15 can also allow in water collection chamber 16 back-flushing uniformly through filtering bed 14, to
Backwash efficiency is effectively ensured, is further ensured that the filter efficiency of filtering bed 14, backwashing water is in taking filtering bed out of
When solid particle, the filtrate in filtering bed can also be rinsed, the filtering effect of filtering bed can be effectively ensured in this way
Fruit.
Specifically, it includes a water outlet plate to go out water dispenser 15, water outlet plate is fixed on out in water dispenser 15, is discharged on plate and is set
There are uniform multiple apopores, water distribution pipe is equipped with out at apopore, goes out water distribution pipe and be located in filtering bed 14, go out water distribution pipe
In be equipped with filter core, through filtering bed 14 grease entered in water collection chamber 16 by the filter core, filter core can filter in grease
Filtrate, to effectively avoid filtering bed 14 in filtrate run damage.Specifically, filter core here is multi-channel medium, and should
The aperture of multi-channel medium is less than the grain size of the filtrate in filtering bed, and more than the grain size of solid particle in recirculated water, thus
So that filter core is intercepted the filtrate in filtering bed, prevents filtrate from running damage, in addition, filter core here can make consolidating in recirculated water
Body particle passes through.
Into water dispenser 12 and to go out filter core form in water dispenser 15 similar to cartridge filter 60, and metal can be used
Silk screen filter core, wedge shaped wires filter core, metallic fiber felt filter element or metal powder sintered filter element, still, into water dispenser 12 and water outlet
For filtering filtrate, the filter core in cartridge filter 60 is used to filter the particle in grease filter core in distributor 15, therefore, into
Water dispenser 12 and the precision for going out filter core in water dispenser 15 are less than the precision of filter core in cartridge filter 60.
The oil content of process recycled water (i.e. sewage) is 100~10000mg/l, the oil-containing of the water purification obtained after water-oil separating
Amount is 10~100mg/l.The solid content of process recycled water (i.e. sewage) be 30~1000mg/l, solid grain size be 0.1~
100 μm, the water containing solid waste that backwash operation in separation of solid and liquid process generates accounts for the 1~5% of raw sewage flow, through dry slag its into
The water content of the solid-state filter cake obtained after the dry Slag treatment of row is
50~70%, the solid content in the water purification obtained after the dry slag device of waste water is 1~10mg/l.
Sewage purification processing system in this specific embodiment is simple and compact for structure, and floor space is small, filters the mistake of bed
It is good to filter effect, easy cleaning, low energy consumption for filtering, and equipment investment cost is low, and operating cost is low, has higher sewage treating efficiency.
This specific embodiment can be used for the especially high oligomer of high content of organics, containing solid process recycled water take off and remove admittedly
Oil processing is particularly suitable for consolidating oil removing integrated purifying in emulsifying, high temperature, the de- of process recycled water with escaping gas
Processing.
It of courses, in other specific embodiments of the sewage purification processing system of the utility model, solid-liquid filter is given up
The number and arrangement mode of the dry slag device of water and oil water separator can specifically be set as needed；Filter the filtrate of bed
Type and grain size, nonuniformity coefficient can be selected according to actual needs；Number, set-up mode and the filter core kind of security personnel's distributor
Class can be selectively arranged；Into water dispenser and go out water dispenser and can selectively be arranged, structure and its mounting means are equal
It can be adjusted according to actual conditions, details are not described herein again.
Specific embodiment two
This specific embodiment discloses a kind of method for cleaning treatment of sewage, including step：
S10：Filtering bed in solid-liquid filter is filtered sewage, and the solid particle of sewage is trapped within filter bed
In layer, the grease in sewage is entered into oil water separator side by side by filtering bed；
S20：Water-oil separating is water purification and greasy dirt by oil water separator；
S30：The pressure difference after solid-liquid filter runs preset time or in the solid-liquid filter reaches default
When pressure difference, the partially purifying water obtained in oil water separator is introduced into solid-liquid filter, from the lower section of filtering bed to filtering
Bed is backwashed, and backwashing water carries the solid particle of filtering bed retention from the water outlet of water containing solid waste of solid-liquid filter
It is flowed into the dry slag device of waste water；
S40：The dry slag device of waste water will contain solid waste water and be separated into water purification and solid particle, and obtained water purification is passed through solid-liquid mistake
The cycle water inlet of filter, which is introduced into solid-liquid filter, carries out circular treatment.
Specifically, in step slo, solid-liquid filter by sewage into water dispenser by being evenly distributed to filtering bed
In, solid-liquid filter will be evenly distributed to by filtering the grease of bed below filtering bed by going out water dispenser, also, be gone out
The filtration core for retaining the filtrate in grease is equipped in water dispenser, to avoid the filtrate in filtering bed from running damage.
Specifically, in step s 30, when the water purification obtained in oil water separator backwashes filtering bed, going out
Water dispenser evenly distributes backwashing water, be located above filtering bed into filter core is equipped in water dispenser, can cut
Stay the filtrate in backwashing water.
Specifically, the filtrate of filtering bed uses sand grains, sand grains to be selected from quartz sand, river sand, sea sand, haydite, anthracite, work
Property charcoal, diatomite, manganese sand, iron sand, zeolite.The particle size range for filtering the filtrate in bed is 0.1~5mm, nonuniformity coefficient ＜
1.5, the height for filtering bed is 0.2~5m, and the rate of filtration is 1~50m/h.The grease outlet of solid-liquid filter and institute's grease point
From at least one cartridge filter is equipped between the entrance of device, the effect of cartridge filter is, when solution filter fails, into
The impurity particle content for entering oil water separator increases, and cartridge filter is used to filter the impurity particle in grease, to avoid oil
Filter core in separator is by particle contamination.
Specifically, oil water separator uses inclined plate or coalescence filtration, realizes water-oil separating after grease coalescence, be used in grease
Difference in specific gravity, greasy dirt float to oil water separator top and drain from greasy dirt outlet, and water purification is drained from water purification outlet.
In addition, into water dispenser and to go out filter core form in water dispenser similar to cartridge filter, metal can be used
Silk screen filter core, wedge shaped wires filter core, metallic fiber felt filter element or metal powder sintered filter element still into water dispenser and go out moisture
For filtering filtrate, the filter core in cartridge filter is used to filter the particle in grease filter core in orchestration, therefore, water inlet distribution
Device and the precision for going out filter core in water dispenser are less than the precision of filter core in cartridge filter.
The oil content of process recycled water (i.e. sewage) is 100~10000mg/l, the oil-containing of the water purification obtained after water-oil separating
Amount is 10~100mg/l.The solid content of process recycled water (i.e. sewage) be 30~1000mg/l, solid grain size be 0.1~
100 μm, the water containing solid waste that the backwash operation in separation of solid and liquid process generates accounts for the 1~5% of raw sewage flow, through the dry slag of waste water
The water content that device carries out the solid-state filter cake obtained after dry Slag treatment is 50~70%, in the water purification obtained after the dry slag device of waste water
Solid content be 1~10mg/l.
Method for cleaning treatment of sewage step disclosed in this specific embodiment is simple, easy to operate, and low energy consumption, operating cost
It is low, greasy dirt and solid particle in process recycled water can be effectively removed, de-oiling is except solid efficient.This specific embodiment can be used
In carrying out de- solid oil removal treatment to the especially high oligomer of high content of organics, containing solid process recycled water, it is particularly suitable for
Consolidate oil removing integrated purifying processing in emulsifying, high temperature, the de- of process recycled water with escaping gas.
It of courses, in other specific embodiments of the method for cleaning treatment of sewage of the utility model, filters the filter of bed
The type and grain size of material, nonuniformity coefficient etc. can be selected according to actual needs；In solid-liquid filter into water dispenser and
Can only liquid be evenly distributed by going out water dispenser, and be not provided with filter core, naturally it is also possible to carry out other shapes as needed
The structural adjustment of formula；Cartridge filter can also be selectively arranged, and details are not described herein again.
It should be noted that above-described embodiment can be freely combined as needed.The above is only the utility model
Preferred embodiment, it is noted that for those skilled in the art, do not departing from the utility model principle
Under the premise of, several improvements and modifications can also be made, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of sewage purification processing system, which is characterized in that including：
At least one solid-liquid filter, filtering bed is equipped in the solid-liquid filter, and the filtering bed is used to detach sewage
In solid particle and grease, the cycle water inlet of the solid-liquid filter and water out containing solid waste are arranged in the filtering bed
Top, the solid-liquid filter grease outlet and backwash mouth be arranged it is described filtering bed lower section；
At least one oil water separator, the grease outlet of the entrance of the oil water separator and the solid-liquid filter are used
In being water purification and greasy dirt by water-oil separating, the water purification outlet of the oil water separator and the backwash mouth of the solid-liquid filter are logical
Backwashing pump connection is crossed, the backwashing pump is used to the water purification that the oil water separator purifies being input to solid-liquid filtration
Backwash from top to bottom carried out to the filtering bed in device, the water containing solid waste obtained in backwash process is from the solid-liquid mistake
The water out containing solid waste of filter flows out；
At least one dry slag device of waste water, the entrance of the dry slag device of waste water connect with the water out containing solid waste of the solid-liquid filter
It is logical, for the recycling of the solid particle dehydration and drying in solid waste water, water purification outlet and the solid-liquid of the dry slag device of waste water will to be contained
The cycle water inlet of filter is connected to, for the water of the solid particle dehydration and drying generation of the dry slag device of the waste water to be input to institute
It states and carries out circular treatment in solid-liquid filter.
2. sewage purification processing system according to claim 1, it is characterised in that：
The filtrate of the filtering bed uses sand grains, the sand grains to be selected from quartz sand, river sand, sea sand, haydite, anthracite, activity
Charcoal, diatomite, manganese sand, iron sand, zeolite；
And/or；
The particle size range of filtrate in the filtering bed is 0.1~5mm, nonuniformity coefficient ＜ 1.5, the height of the filtering bed
Degree is 0.2~5m；
And/or；
The grease of the solid-liquid filter is exported is equipped at least one cartridge filter between the entrance of the oil water separator,
The cartridge filter is used to filter the impurity particle in grease.
3. sewage purification processing system according to claim 1, it is characterised in that：
One is equipped in the solid-liquid filter into water dispenser, the top that the filtering bed is located at into water dispenser, and
It is described to have one to be separated by solid-liquid separation chamber between the filtering bed into water dispenser,
It is described to be used to evenly distribute sewage into the separation of solid and liquid chamber into water dispenser.
4. sewage purification processing system according to claim 3, it is characterised in that：
It is described into water dispenser include a water inlet plate, the water inlet plate be fixed on described in into water dispenser,
It is uniformly provided with multiple inlet openings on the water inlet plate, is equipped at the inlet opening into water distribution pipe, it is described into water distribution pipe
In the separation of solid and liquid chamber, described into filter core is equipped in water distribution pipe, which can intercept the filter in the filtering bed
Material, can not intercept the solid particle in the sewage and back-flushing.
5. sewage purification processing system according to claim 1, it is characterised in that：
A water purification buffer tank is equipped between the water purification outlet of the oil water separator and the backwash mouth of the solid-liquid filter；
And/or；
A waste water buffer tank, institute are equipped between the water out containing solid waste of the solid-liquid filter and the entrance of the dry slag device of the waste water
Waste water buffer tank is stated to be connected to the entrance of the dry slag device of the waste water by a waste water pump.
6. sewage purification processing system according to claim 5, it is characterised in that：
Go out water dispenser equipped with one in the solid-liquid filter, it is described go out water dispenser be located in the filtering bed and be located at institute
The bottom of filtering bed is stated, the lower section of the filtering bed is equipped with a water collection chamber,
It is described go out water dispenser for making the backwashing water in the water collection chamber uniformly through the filtering bed.
7. sewage purification processing system according to claim 6, it is characterised in that：
It is described go out water dispenser include a water outlet plate, the water outlet plate is fixed in the solid-liquid filter,
The water outlet plate is equipped with uniform multiple apopores, is equipped with out water distribution pipe at the apopore, it is described go out water distribution pipe
In the filtering bed, it is described go out water distribution pipe in be equipped with filter core, the filter core can intercept it is described filtering bed in filtrate,
The solid particle in the sewage and back-flushing can not be intercepted.
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| CN201721673137.9U CN207619145U (en) | 2017-12-05 | 2017-12-05 | A kind of sewage purification processing system |
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| CN201721673137.9U CN207619145U (en) | 2017-12-05 | 2017-12-05 | A kind of sewage purification processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107827264A (en) * | 2017-12-05 | 2018-03-23 | 上海蓝科石化环保科技股份有限公司 | A kind of sewage purification processing system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107827264A (en) * | 2017-12-05 | 2018-03-23 | 上海蓝科石化环保科技股份有限公司 | A kind of sewage purification processing system and method |
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